*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    text-decoration: none;
}
body{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.seckill{
    display: block;
    width: 190px;
    height: 260px;
    color: #fff;
    background-color: #e83632;
    background-image: url(images/4a15d8883775742e3efbb850ae14def7.png);
    background-size: contain;
    background-position: 50%;
    background-repeat: no-repeat;
    padding-top: 31px;
}
.title{
    width: 100%;
    text-align: center;
    font-size: 30px;
    font-weight: 700;
}
.desc{
    margin-top: 90px;
    font-size: 14px;
    text-align: center;
}
.timmer{
    margin-left: auto;
    margin-right: auto;
    width: 130px;
    height: 30px;
    margin-top: 10px;
    display: block;
}
.timmer span{
    position: relative;
    float: left;
    width: 30px;
    height: 30px;
    text-align: center;
    background-color: #2f3430;
    margin-right: 20px;
    color: white;
    font-size: 20px;
}
.timmer span:after{
    content: ":";
    display: block;
    position: absolute;
    right: -20px;
    font-weight: bolder;
    font-size: 18px;
    width: 20px;
    height: 100%;
    top: 0;
}
.timmer .second:after{
    content: normal;
}
.timmer .second{
    margin-right: 0;
}